﻿.lecture_img_btns {
    height:35px;
    width: 110px;
    display:inline-block;
    background-repeat:no-repeat;
    background-size:cover;
    background-position:center;
}

    .lecture_img_btns:hover {
        opacity:0.8;
    }

.lecture_red_img_btn {
    background-image:url(../Resources/Images/Backgrounds/btn-ppp-bg.png);
}

.lecture_yellow_img_btn {
    background-image:url(../Resources/Images/Backgrounds/btn-materials-bg.png);
}

.lecture_blue_img_btn {
    background-image:url(../Resources/Images/Backgrounds/btn-video-bg.png);
}